Proudly Australian Owned & Operated

Proudly Australian Owned & Operated

Now in its 3rd generation of ownership, Master Instruments continues to specialise in the manufacture, importation & distribution of batteries, battery packs & associated equipment such as battery chargers, analysers & power products, for both the consumer & industrial sectors.

Our Products

Our Products

From consumer focused AA batteries to replacement mobile or laptop batteries; or an in-house manufactured medical equipment battery to fully customised battery solutions for mining or defence projects, we.ll have a suitable solution for you.

Retail & Wholesale Support

Retail & Wholesale Support

With over 8000 stocked lines covering a multitude of applications and fitments, MI can support your retail or wholesale business by providing fast and efficient service and quality products. Our strength is our ability to efficiently cater to all size orders.

Custom & Industrial Battery Solutions

Custom & Industrial Battery Solutions

With in-house & offshore manufacturing capabilities specialising in all primary and rechargeable technologies, we have proven results in industries such as mining, medical, defence and more.

Battery Application Worksheet

Battery Application Worksheet

Specification Documents to outline your requirements.

Lithium Battery Safety

Master Instruments - Battery Safety

We offer testing to the IEC 62133:2 2017 and UN38.3 standards.

Battery Testing Capabilities

Battery Testing Equipment

Explore our range of battery testing capabilities.

Quality Assurance

Master Instruments Provide You With Quality Assurance

Our quality management system is ISO 9001:2015 certified.

Batteries By Application Use

Master Instruments - Battery By Category

Explore by product category, application or intended use

Batteries By Chemistry

Master Instruments - Battery By Chemistry

Find your battery by chemistry type both rechargeable & primary

Battery Chargers

Master Instruments - Battery Chargers

Chargers for batteries and electronic devices

Battery Analysers

Battery Analysis - Battery Analysers

View our range of battery testers & analysers

Battery Assembly

Custom Battery Pack Solutions For Your Business

Custom battery pack assembly provision

Industry Solutions

We Provide Industrial Battery Solutions

Explore our capabilities to supply your industry need

Power Products

Master Instruments - Power Products

For all your AC & DC power supplies, solar, inverters & power distribution

Battery Assembly Parts

Battery Assembly Parts & Holders

Battery assembly components, parts, leads & connectors

Test & Measurement

Master Instruments - Digital Testing Equipment & Measurement

Digital test & measurement, telco equipment analogue meters & shunts

Torches & Flashlights

Lighting, Flashlight & Torch Battery Solutions

LED & standard torches, flashlight & exit light batteries

Battery Holders & Cases

Battery Holders & Cases

We cater for a range of battery holders and cases

Power Engineering Tools

Crimping, Opening & Extraction Tools, Cordless Soldering Irons.

Master Logo

Featured Products

NEW Protected Torch Batteries

We have added a new 20700, 21700 & 26650 size to the MI Battery Experts protected Lithium-Ion torch battery range Click the heading to read more

Victron Energy Super Pack

With 2500 cycles @ 80% DoD, and in-built BMS, the SuperPack LiFePO4 range from Victron with worth a look!  Click the heading to read more

Qi Wireless Charging Pad

Ultra Slim charging pad, with up to 10W output, for wirelessly fast charging of compatible smart phones... Click the heading to read more

Laptop Power Supplies

Make sure your laptop is working at optimum efficiency with the Enecharger range of Laptop chargers & power supplies...  Click the heading to read more

Products by Brand


Drypower Lithium Golf


Drypower Lithium Golf batteries are now back in stock @ Master InstrumentsRead More

Victron Energy Cerbo GX


Introducing the ultimate in system control & monitoring with the Cerbo GX from Victron EnergyRead More

Contactless Forehead Thermometer


Check out Lutron's Professional Grade Contactless Infrared Forehead ThermometerRead More

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